889356653988 has 96 divisors (see below), whose sum is σ = 2330983025280. Its totient is φ = 261543536640.

The previous prime is 889356653873. The next prime is 889356654059.

889356653988 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665820 + ... + 2133932.

It is an arithmetic number, because the mean of its divisors is an integer number (24281073180).

Almost surely, 2^889356653988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889356653988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165491512640).

889356653988 is an abundant number, since it is smaller than the sum of its proper divisors (1441626371292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889356653988 is a wasteful number, since it uses less digits than its factorization.

889356653988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468557 (or 468555 counting only the distinct ones).

The product of its digits is 2687385600, while the sum is 78.

The spelling of 889356653988 in words is "eight hundred eighty-nine billion, three hundred fifty-six million, six hundred fifty-three thousand, nine hundred eighty-eight".